试题详情

If the microswitch becomes unserviceable, do the deactivation procedure of the actuator to prevent damage to the valve.

AA. If the microswitch stops working, deactivate the procedure of the actuator to avoid the valve damage.

BB. If the microswitch becomes unserviceable, do the activation procedure of the actuator to prevent damage to the valve.

CC. Do the activation procedure of the actuator to prevent damage to the valve, unless the microswitch becomes unserviceable.